10 Tools Every Java Developers Should Learn in 2020.
Hello guys, we are already in the second week of 2020, and I
am sure all of you have already made your goals about what to learn in 2020 and
how to achieve them. I have been writing a series of articles to give you some
ideas about the things you can learn and improve to become a better, all-round
developer in 2020, like learning new programming languages, frameworks, and
libraries. These three things are extremely important and help you to become a
better Java developer but as some wise person said, "you are only as good
as your tools", you should also look to upgrade your tools, learn new
tools and improve your understanding of old tolls which are still going well.
To help you with what tools you can learn in 2020, I have
come up with a list of 10 essential tools for Java developers, which I am going
to share with you guys in this article. In the past, I did share some useful
testing tools for Java programmers, and this article is an extension of that as
it covers much more than automation testing tools.
It includes essential coding tools like IDEs, Project
Management tools like JIRA, Source control essentials like Git, and Build tools
like Maven and Gradle. There is a good chance that you are already familiar
with some tools, and in that case, you can simply ignore it or learn it to
further improve your understanding of it.
These are essential tools that mean as a Java developer in
2020, many companies expect that you already know these tools. They often
screen your resume to find a reference to these tools and mostly ignore your
resume if you forget to include your experience and knowledge about these
tools.
Btw, this is also my second list of tools for Java
developers, last year, I have shared the top 10 tools used by Java programmers
in their day to day life, which also included some of the more general
day-to-day tools Java developers used. If you need more tools, you can also
refer to that to get more ideas.
When I say essential tools means something which you must
know, but the list also contains some tools which are more advanced and even if
you don't know you can work well, but knowing them will further enhance your
reputation and make you more valuable and possibly can also help you in your career
growth, particularly if you are looking to become a DevOps engineer in 2020.
I have tried to include tools from code repository, project
planning, build and deployment, testing automation, and infrastructure
automation. As a senior Java developer who is responsible for managing the
project end to end, these tools will help you to do your job more effectively.
Anyway, without any further Ado, let's see some of the
essential tools for Java programmers.
1. Git
I think Git and Github should be the most essential tool all
Java programmers should learn and master. I know many of you already know Git,
but those who are still working in SVN and CVS seriously consider learning Git
and Github this year.
There is no way you can avoid Git anymore, even if you don't
use it in your current project. It has become a standard for source code
repository, and most of the new development is using Git.
If you are a beginner, I suggest you check out the GitHub
Ultimate course to start with. Even if
you know Git, you can still learn things, like the Git command line, to further
improve your knowledge. All the time and money you invest in learning Git will
serve you for a long time.
2. Docker
Docker is a tool that allows users to quickly assemble apps
from components and work collaboratively. If you are working on web
development, e.g. developing and deploying applications for the cloud, then
Docker is an essential tool to learn.
This is appropriate for managing containers of an app as a
single group and clustering an application's containers to optimize resources
and provide high availability. If you are serious about learning Docker, then I
suggest you first go through Docker and Kubernetes Complete Guide before using
it in your project.
3. Maven
This is another essential tool for Java programmers, which
helps you to build and manage a Java project. It's been there for quite some
time, and a good chance is that you already may have heard about Maven or using
it in your project.
It not only help you to build your project, e.g. compile
source files but also run your unit test and can deploy your artifacts or
deliverables to live environments. It also helps with managing dependencies,
e.g. all the third-party JAR files you use in your projects.
Without Maven, this can be really a nightmare. In short, all
Java developers should know Maven in 2020, and if you are looking for an
excellent course to start with, you can check out Apache Maven: Beginner to
Guru course from Udemy, one of the best course to learn Maven.
4. Jenkins
Jenkins is another essential tool for Java developers,
particularly those who are hoping to become a DevOps professional. This is a
continuous integration tool, which means it can continuously build, test, and
deploy your project.
In our case, Jenkins automatically runs the build every time
someone check-in their code. IT also has scheduled nightly and hourly build to
automatically build and test our project.
If you are a senior Java developer, e.g. someone with more
than 5 years of experience and you don't know Jenkins, then you should
seriously consider learning it. If you decide to learn Jenkins, the Learn
DevOps: Jenkins CI/CD with Docker is a fantastic course to start with.
This is another excellent tool for Java developers,
particularly Java web developers. Selenium is a tool for web browser
automation, which means you can test your web pages like both JSP and static pages
written using HTML and JavaScript using Selenium.
It provides a playback tool for authoring tests without the
need to learn a test scripting language. It's becoming trendy nowadays, and
that's why learning does not only help you to write better code but can make
you more valuable.
If you are serious about learning Selenium in 2020, I
suggest you start with Automated Web Testing with Selenium on Pluralsight to
learn how to write an automated test for a web application.
6. JIRA
After Git, I think JIRA is the second most important tool
for any Java developer or say any programmer out there. It has quickly become
the #1 Planning and bug tracking tool on many organizations.
If you are working in an Agile team like following Sprint schedules
and doing Scrum meetings, then JIRA is even more important. With all its
capabilities to support Agile methodologies, it's a must know a tool for an
Agile team.
You can even impress your manager and colleague by knowing
JIRA in-depth, e.g. You can help your team to create Sprint dashboard. If you
are serious about learning JIRA in 2020, then Learn JIRA with real-world
examples is a great course, to begin with.
7. Gradle
This is another crucial build tool for the Java developer.
Similar to Maven, it also helps you to build, test, and deploy projects. It
also manages dependency like Maven does, but it uses Groovy to write build
script as compared to XML, which is used by Maven.
This means you can write more powerful and cleaner build
scripts then Maven. It's an excellent tool for project configuration and builds
automation, and if you are thinking of learning Gradle or wants to know more
about it, Please check The Gradle Masterclass course from Udemy.
8. Splunk
This is another useful monitoring tool that many companies
are introducing in their development life-cycle. This supposes to help you to
write better code by indexing your log files and using machine learning to
analyze the content.
It turns machine data into answers with the leading platform
to tackle the toughest IT, IoT, and security challenges.
Companies are using Splunk to search, monitor, analyze, and
visualize machine data. If you want to learn more about Splunk, The Complete
Splunk Beginner Course on Udemy is a good starting point.
9. Chef
This is another excellent tool for infrastructure
automation, like to build a new server and install your application. The chef
is a configuration management tool written in Ruby and Erlang.
It uses a pure-Ruby, domain-specific language for writing
system configuration "recipes". With Chef, you can manage servers a
large number of serves easily.
Time-consuming activities like manual patching,
configuration updates, and service installations for every server can all be
automated. In short, a useful tool for both senior Java developers responsible
for managing their environments and DevOps engineers.
If you are interested in Chef and using it in your
organization, then I also suggest you go through Chef Fundamentals to learn
more about it.
10. IntelliJ IDEA
Finally, the most crucial tool for a Java developer, an IDE.
I am sure you have already used an IDE as I hardly know a Java developer who
doesn't use IDE, but most of the users just learn one IDE like Eclipse or
NetBeans and simply ignore others.
The IntelliJ IDEA is one of them, which is ignored by many
Java developers who use Eclipse, but it offers a lot more. You can learn it to
further improve your productivity if you happen to know Eclipse already.
I generally found many complex projects are better to work
in IntelliJ IDEA, their Java 8 support is also much better than Eclipse.
Anyway, if you are serious about learning this IDE in 2020, then I suggest you
go through IntelliJ IDEA Tricks to Boost Productivity for Java Devs to further increase
your productivity.
That's all about some of the useful tools Java developers
can learn and master in 2020 to make themselves more valuable and improve their
productivity. As the saying goes, you are as good as your tools, it becomes
increasingly essential for Java developers to get familiar with modern tools
which can improve coding, unit testing, development, deployment, infrastructure
automation, and continuous integration, especially if you want to become a
DevOps Engineer.[Source]-https://javarevisited.blogspot.com/2019/02/10-tools-advanced-java-developers-should-know.html
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